Alfa Aesar

Reagents, M, Alfa Aesar

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  • Manganese(II) sulfate tetrahydrate, 99% (metals basis)

    Alfa Aesar

    Formula: MnO4S 4H2O Formula weight: 223.06 (151.00anhy) Purity: 99% (metals basis) CAS Number: 10101-68-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H373 May cause damage to organs through prolonged or repeated…

  • Molybdenum(VI) oxide, 99.95% (metals basis)

    Alfa Aesar

    Formula: MoO3 Formula weight: 143.94 Purity: 99.95% (metals basis) CAS Number: 1313-27-5 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2825.70 Hazard Statements: H300-H351-H319-H335 Fatal if swallowed. Suspected of causing cancer. Causes…

  • 2-Methylbenzothiazole, 98+%

    Alfa Aesar

    Formula: C8H7NS Formula weight: 149.22 Purity: 98+% CAS Number: 120-75-2 Harmonized Tariff Code:  2934.20

  • Mercury(II) chloride, 98+%

    Alfa Aesar

    Synonym(s): Mercuric chloride Formula: HgCl2 Formula weight: 271.50 Purity: 98+% CAS Number: 7487-94-7 UN Number: UN1624 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H372-H341-H361-H314-H318 Fatal if swallowed. Causes…

  • Morpholine, 99%

    Alfa Aesar

    Formula: C4H9NO Formula weight: 87.12 Purity: 99% CAS Number: 110-91-8 UN Number: UN2054 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2934.99 Hazard Statements: H314-H226-H302-H312-H332 Causes severe skin burns and eye damage. Flammable liquid and vapour.…

  • 5-Methoxy-2-methylbenzoselenazole, 97%

    Alfa Aesar

    Formula: C9H9NOSe Formula weight: 226.14 Purity: 97% CAS Number: 2946-17-0 UN Number: UN3440 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through…

  • Magnesium bromide diethyl etherate, 98%

    Alfa Aesar

    Formula: C4H10O.Br2Mg Formula weight: 258.24 Purity: 98% CAS Number: 29858-07-9 UN Number: UN1325 Hazard Class: 4.1 <

  • Magnesium sulfate heptahydrate, 99+%

    Alfa Aesar

    Synonym(s): Epsom salt Formula: MgSO4 7H2O Formula weight: 246.48 (120.37anhy) Purity: 99+% CAS Number: 10034-99-8 Harmonized Tariff Code:  2833.21

  • 2-Methylthiophene, 98%

    Alfa Aesar

    Formula: C5H6S Formula weight: 98.17 Purity: 98% CAS Number: 554-14-3 UN Number: UN1993 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2934.99 Hazard Statements: H225-H332 Highly flammable liquid and vapour. Harmful if inhaled. Precautionary Statements: …

  • Methyl 4-bromo-3-hydroxythiophene-2-carboxylate, 97%

    Alfa Aesar

    Synonym(s): 4-Bromo-3-hydroxythiophene-2-carboxylic acid methyl ester Formula: C6H5BrO3S Formula weight: 237.08 Purity: 97% CAS Number: 95201-93-7 Harmonized Tariff Code:  2934.99

  • Maleic anhydride, 98+%

    Alfa Aesar

    Synonym(s): cis-Butenedioic anhydride, 2,5-Furandione Formula: C4H2O3 Formula weight: 98.06 Purity: 98+% CAS Number: 108-31-6 UN Number: UN2215 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.14 Hazard Statements: H334-H314-H302-H317 May cause allergy…

  • MES, 0.5M buffer soln., pH 5.0

    Alfa Aesar

    CAS Number: 145224-94-8 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear protective gloves/protective clothing/eye protection/face…

  • Magnesium chloride hexahydrate, ACS, 99.0-102.0%

    Alfa Aesar

    Formula: MgCl2 6H2O Formula weight: 203.30 (95.22anhy) Purity: 99.0-102.0% CAS Number: 7791-18-6 Harmonized Tariff Code:  2827.31

  • Methyl Orange

    Alfa Aesar

    Synonym(s): Acid Orange 52, C.I. 13025 Formula: C14H14N3NaO3S Formula weight: 327.34 CAS Number: 547-58-0 UN Number: UN3143 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • 2-Mercaptoethanol, Electrophoresis Grade, 98+%

    Alfa Aesar

    Included Fees: C868J69 has a Can and Barrier Bag fee included in the price. C868J70 has a Can and Barrier Bag fee included in the price. To see the value of these fees, download our Fee List.

  • Meat Peptone

    Alfa Aesar

    Synonym(s): Peptones, meat CAS Number: 73049-73-7 Harmonized Tariff Code:  3504.00

  • 4,4'-Methylenebis(N,N-dimethylaniline), 98+%

    Alfa Aesar

    Synonym(s): 4,4'-Bis(dimethylamino)diphenylmethane, Michler's Base Formula: C17H22N2 Formula weight: 254.38 Purity: 98+% CAS Number: 101-61-1 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2921.59 Hazard Statements: H350 May cause cancer. …

  • m-Phenylenediamine, 98%

    Alfa Aesar

    Synonym(s): 1,3-Diaminobenzene Formula: C6H8N2 Formula weight: 108.14 Purity: 98% CAS Number: 108-45-2 UN Number: UN1673 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.51 Hazard Statements: H301-H311-H331-H341-H319-H317 Toxic if swallowed. Toxic in…

  • 2-Methyl-2-butene, tech. 90%, remainder mainly 2-methyl-1-butene

    Alfa Aesar

    Synonym(s): Amylene, Trimethylethylene Formula: CH3CH=C(CH3)2 Formula weight: 70.13 Purity: tech. 90%, remainder mainly 2-methyl-1-butene CAS Number: 513-35-9 UN Number: UN2460 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.29 Hazard Statements: …

  • 5-Methyl-2-furaldehyde, 98%

    Alfa Aesar

    Synonym(s): 5-Methylfurfural Formula: C6H6O2 Formula weight: 110.11 Purity: 98% CAS Number: 620-02-0 Harmonized Tariff Code:  2932.19 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible…

  • Magnesium powder, -325 mesh, 99.8%

    Alfa Aesar

    Purity: 99.8% CAS Number: 7439-95-4 UN Number: UN1418 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  8104.30 Hazard Statements: H228-H251-H261 Flammable solid. Self-heating: may catch fire. In contact with water releases flammable gas. Precautionary Statements: …

  • 2-Methoxy-4-(trifluoromethyl)benzaldehyde, 97%

    Alfa Aesar

    Formula: C9H7F3O2 Formula weight: 204.15 Purity: 97% CAS Number: 132927-09-4 Harmonized Tariff Code:  2913.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Manganese(IV) oxide, 98%

    Alfa Aesar

    Synonym(s): Manganese dioxide Formula: MnO2 Formula weight: 86.94 Purity: 98% CAS Number: 1313-13-9 Harmonized Tariff Code:  2820.10 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if inhaled. Precautionary Statements: P261-P264-P304+P340-P301+P312-P312-P501a …

  • 5-Methylisophthalic acid, 98%

    Alfa Aesar

    Synonym(s): Uvitic acid, 5-Methyl-1,3-benzenedicarboxylic acid Formula: C9H8O4 Formula weight: 180.16 Purity: 98% CAS Number: 499-49-0 Harmonized Tariff Code:  2917.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 1-Methoxy-2-methyl-2-propanol, 98+%

    Alfa Aesar

    Synonym(s): 1,1-Dimethyl-2-methoxyethanol Formula: C5H12O2 Formula weight: 104.15 Purity: 98+% CAS Number: 3587-64-2 UN Number: UN1987 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2909.49 Hazard Statements: H226 Flammable liquid and vapour. …

  • Metaphosphoric acid, ACS, 33.5-36.5%, bal. NaPO{3} (Stablizer)

    Alfa Aesar

    Synonym(s): Phosphoric acid (meta) Formula: HPO3 Formula weight: 79.98 CAS Number: 37267-86-0 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2809.20 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory…

  • 3-Methylbenzeneboronic acid, 97%

    Alfa Aesar

    Synonym(s): 3-Methylphenylboronic acid, m-Tolylboronic acid Formula: C7H9BO2 Formula weight: 135.96 Purity: 97% CAS Number: 17933-03-8 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 4-Methoxyphenol, 98+%

    Alfa Aesar

    Synonym(s): Hydroquinone monomethyl ether, MEHQ Formula: C7H8O2 Formula weight: 124.14 Purity: 98+% CAS Number: 150-76-5 Harmonized Tariff Code:  2909.50 Hazard Statements: H302-H319-H317 Harmful if swallowed. Causes serious eye irritation. May cause an allergic skin reaction. …

  • Metaphosphoric acid, 39-43%, bal. NaPO{3} (Stabilizer)

    Alfa Aesar

    Formula: HPO3 Formula weight: 79.98 CAS Number: 37267-86-0 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2809.20 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements:…

  • Methyl Red, ACS

    Alfa Aesar

    Synonym(s): C.I. 13020 Formula: C15H15N3O2 Formula weight: 269.30 CAS Number: 493-52-7 Harmonized Tariff Code:  2927.00

  • 12-Molybdophosphoric acid hydrate, Mo >47.5%

    Alfa Aesar

    Synonym(s): Molybdophosphoric acid Formula: H3PO4 12MoO3 xH2O Formula weight: 1825.25(anhy) CAS Number: 51429-74-4 UN Number: UN3085 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2841.70 Hazard Statements: H272-H314-H318 May intensify fire; oxidizer. Causes…

  • 1-Methyl-2-pyrrolidinone, 99+%

    Alfa Aesar

    Synonym(s): N-Methylbutyrolactam, N-Methyl-2-pyrrolidone Formula: C5H9NO Formula weight: 99.13 Purity: 99+% CAS Number: 872-50-4 Harmonized Tariff Code:  2933.79 Hazard Statements: H360-H315-H319-H335-H227 May damage fertility or the unborn child. Causes skin irritation. Causes…

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